On Mon, Mar 7, 2011 at 1:51 AM, Fernando Lopez-Lezcano
<nando@xxxxxxxxxxxxxxxxxx> wrote:
> On 03/04/2011 02:24 PM, Paul Gortmaker wrote:
>>
>> As a value add to the 2.6.34 long term release, I'm happy to also
>> announce the availability of 2.6.34-RT.
>>
>> You can find it in the v2.6.34-rt branch at:
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/paulg/rt-patches.git
>
> Great! Many thanks... Actually, impressive work.
>
> I'm trying to integrate/build it into my Fedora based rt packages for Planet
> CCRMA. Warning: I'm doing this on top of the 2.6.34.8-68 fc13 koji build, so
> rt is patched on top of the additional Fedora patches for that build (with a
> few trivial tweaks to patch cleanly). So I don't know if the following
> issues are due to that - I will investigate:
Thanks - I'm not surprised to see some fallout in new/updated drivers,
since they change so much per release and I didn't attempt to build every
driver under the sun - my core focus was on getting it stable with the main
defconfigs I could easily test. I'll have a look and integrate accordingly.
P.
>
> I found a couple of extra argument cases for __netif_tx_lock:
>
> --- a/drivers/net/qlcnic/qlcnic_main.c 2010-05-16 17:17:36.000000000 -0400
> +++ b/drivers/net/qlcnic/qlcnic_main.c 2011-03-06 20:08:16.000000000 -0500
> @@ -1881,7 +1881,7 @@
> smp_mb();
>
> if (netif_queue_stopped(netdev) && netif_carrier_ok(netdev))
> {
> - __netif_tx_lock(tx_ring->txq, smp_processor_id());
> + __netif_tx_lock(tx_ring->txq);
> if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
> netif_wake_queue(netdev);
> adapter->tx_timeo_cnt = 0;
> --- a/drivers/net/bnx2x_main.c 2010-05-16 17:17:36.000000000 -0400
> +++ b/drivers/net/bnx2x_main.c 2011-03-06 19:58:45.000000000 -0500
> @@ -976,7 +976,7 @@
> * stops the queue
> */
>
> - __netif_tx_lock(txq, smp_processor_id());
> + __netif_tx_lock(txq);
>
> if ((netif_tx_queue_stopped(txq)) &&
> (bp->state == BNX2X_STATE_OPEN) &&
> ----
>
> a missing include (incomplete type errors for semaphores):
>
> --- a/drivers/net/mlx4/mlx4.h 2010-05-16 17:17:36.000000000 -0400
> +++ b/drivers/net/mlx4/mlx4.h 2011-03-06 20:07:05.000000000 -0500
> @@ -37,6 +37,7 @@
> #ifndef MLX4_H
> #define MLX4_H
>
> +#include <linux/semaphore.h>
> #include <linux/mutex.h>
> #include <linux/radix-tree.h>
> #include <linux/timer.h>
> ----
>
> and this (found compilation fix here:
> http://groups.google.com/group/linux.kernel/browse_thread/thread/c4f0fd1ca9298c45/18316184209e6e84?show_docid=18316184209e6e84&fwc=1):
>
> --- a/drivers/net/wireless/ath/ar9170/usb.c 2011-03-06
> 19:13:12.000000000 -0500
> +++ b/drivers/net/wireless/ath/ar9170/usb.c 2011-03-06
> 20:13:06.000000000 -0500
> @@ -741,10 +741,10 @@
>
> /* unbind anything failed */
> if (parent)
> - down(&parent->sem);
> + device_lock(parent);
> device_release_driver(&aru->udev->dev);
> if (parent)
> - up(&parent->sem);
> + device_unlock(parent);
>
> usb_put_dev(aru->udev);
> }
> ----
>
> I'll let you know how it goes (light testing probably tomorrow, still
> building).
>
> -- Fernando "patiently waiting for 2.6.37-rtx"
> :-)
> --
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